From Cppreference
| Defined in header <ios>
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class failure : public std::exception;
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| (pre-C++0x version)
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| class failure : public std::system_error;
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| (C++0x version)
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The class std::ios_base::failure defines an exception object that is thrown on failure by the functions in the Input/Output library.
Member functions
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| constructs the exception object (public member function)
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Member functions
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| destructs the exception object (virtual public member function)
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| returns explanatory string (virtual public member function)
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